Home / 299,175,764.09-448,406,612.89-139,243,839.32

Finding the Fourth Proportional to 299,175,764.09, 448,406,612.89 and 139,243,839.32

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Solution

The fourth proportional to 299,175,764.09, 448,406,612.89 and 139,243,839.32 is: 208,699,586.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,175,764.09 : 448,406,612.89 = 139,243,839.32 : x
  2. Step 2: Convert to fraction form
    299,175,764.09/448,406,612.89 = 139,243,839.32/x
  3. Step 3: Cross multiply
    299,175,764.09x = 448,406,612.89 × 139,243,839.32
  4. Step 4: Simplify right side
    299,175,764.09x = 62,437,858,353,212,624
  5. Step 5: Solve for x
    x = 62,437,858,353,212,624/299,175,764.09
  6. Step 6: Final answer
    x = 208,699,586.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.